Answer:
It is A
Explanation:
Ancient roads were built by humans, making it human environment interaction. Migration is in it's own classification thing much like human environment interaction just in a different section. volcanoes making new islands is a natural event. and so the only correct answer could be A.
I hope that this helps you! I'm taking the test too so good luck! <3
This is late but i hope this can help someone else! <3 :)